Charges Q are placed at the ends of a diagonal of a square and charges q are placed at the other two corners. The condition for the net electric force on Q to be zero is

Question

Charges Q are placed at the ends of a diagonal of a square and charges q are placed at the other two corners. The condition for the net electric force on Q to be zero is, Q = - 2 2 q, Q = - q 2, Q = - 8 q, Q = - 2 q

MARKS App · Accepted Answer

F ' + 2 F = 0 F ' = - 2 F 1 4 π ε 0 . Q 2 2 a 2 = - 2 1 4 π ε 0 . q Q a 2 Q 2 = - 2 q Q = - 2 2 q

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